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    Power Inductors from Wurth Electronics Midcom

    Wurth Electronics Midcom carries a variety of power inductor products and resources to suit your design needs. On this page, you’ll find everything you need to know about power inductors , including: What power inductors are The different types of power inductors Tips for selecting power inductors Popular power inductors from Wurth Electronics Midcom Our special Trilogy of Magnetics design guide And more! Overview of Power Inductors Power inductors are used to store energy, provide lower signal  [...]

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    Inductors from Wurth Electronics Midcom

    These inductors can be applied to switching regulators with low operation voltage, like in portable devices. They can also be applied to an integrated DC/DC Converter. The WE-PD2SR Shielded Power Inductors have a magnetically shielded version from the WE-PD2, which results in a low leaking field. Click here to view the WE-PD2SR product page Characteristics of our WE-PD2SR Inductors: Stable inductance current due to the self-centering shielding ring construction Pin compatible with the PD2 size 7850  [...]

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    Factors that Influence Electromagnetic Radiation of Power Inductors

    [...]  successful at limiting H- and E-field radiation at higher switching frequencies than an inductor with MnZn core ( WE-HCF 744 363 022 0 ). Clearly, EM radiation is an important consideration in terms of potential EMI and other issues pertaining to power management. That’s why it’s so crucial to select the right power inductor for your design. In our next blog post, we’ll explain how shielding materials affect electromagnetic radiation and, by implication, the effectiveness of your power inductor. [...]

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    What are RF Inductors?

    [...]  Here is an example of some typical RF inductors. We see the ceramic type and we see the ones that are multi layered type inductors. We're going to break them down in detail so that you can understand the difference between this and the typical power inductors. First, a little background. RF inductors work exactly the same way as any other inductor. They are governed by the same physics rules that we see for power inductors. Therefore, we still characterize them in terms of their magnetic warp, permeability, [...]

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    What Materials are Used for RF Inductors?

    Now that we’ve covered a general overview of RF Inductors, our blog series continues with the materials that are used in these inductors. Typically, in power inductors we concentrate on discussing the permeability of the materials. Depending on the material, we can increase the permeability of an inductor, and its induction. So in the case of RF inductors, we don't use core materials that have a high permeability. Typically, if we switch RF inductors, or any kind of inductor, on a very high frequently,  [...]

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    Power Inductors - 8 Design Tips

    A practical guide for the selection of power inductors for DC/DC converters ANP039 The power inductor selection steps described are based on the design tips given in this article and are linked to the data sheet specifications. Not only the relevant design software from the semiconductor manufacturer serves to reduce development times. With the software REDEXPERT you get a tool which identifies very quick the right inductance for a buck or a boost converter. As a matter of course power inductors  [...]

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    The Behavior of Electromagnetic Radiation of Power Inductors in Power Management

    One of the key components of DC-DC converters, which are widely used in power management applications, is the inductor. Usually, when engineers talk about inductors, they focus on their electrical performance characteristics, such as RDC, RAC, and core losses. But what about their electromagnetic (EM) radiation characteristics? While often overlooked, the behavior of electromagnetic radiation of power inductors is an important consideration in power management. In this blog series, we uncover the  [...]

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    Compact SMD power inductors

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2016 Compact SMD power inductors Würth Elektronik eiSos supplements its portfolio of compact SMD power inductors with two new series: WE-PMMI and WE-PMCI . The two new power inductors are used, for example, in highly efficient DC/DC switching controllers with a low space requirement. The WE-PMMI (Power Multilayer Metal-Alloy Inductor) series is manufactured in the multilayer process. The RDC value is significantly reduced by pressing  [...]

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    Advantages and Applications of the Flatwire Inductor WE-PDF Series

    [...]  inductor designs. Typical Applications of WE-PDF Typical applications for the WE-PDF flatwire inductor series include: Multiphase converters High-frequency converters High-current converters Motherboards Industrial computers Set top boxes FPGA power supplies Extended Use in Non-Typical Applications Because the WE-PDF flatwire inductor is rated up to 150°C and is designed for a high degree of robustness, it can be used in other applications too: “Automotive-like” Industrial Adverse environmental [...]

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    Compact SMD power inductors

    Würth Elektronik eiSos supplements its portfolio of compact SMD power inductors with two new series: WE-PMMI and WE-PMCI . The two new power inductors are used, for example, in highly efficient DC/DC switching controllers with a low space requirement. The WE-PMMI (Power Multilayer Metal-Alloy Inductor) series is manufactured in the multilayer process. The RDC value is significantly reduced by pressing a double silver layer. Besides a high current loading capacity, the series available in 0806, 0805  [...]

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    Coupled Inductors for SEPIC Converter Applications

    [...]  This type of converter can also be described as a buck/boost converter. Typical SEPIC Applications Typical SEPIC applications include the following: Battery-operated equipments and handheld devices NiMH chargers LED lighting applications DC power supplies with a wide range of input voltages For more information, please see our product training modules on Digikey.com. Typical Layout of a SEPIC Converter In this image, you can see a typical layout of a SEPIC converter from Linear Technology, which [...]

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    How Shielding Materials Affect Electromagnetic Radiation and the Effectiveness of a Power Inductor

    Throughout this blog series on the electromagnetic (EM) radiation of power inductors of DC-DC converters, we’ve explained how EM radiation works and factors that influence it. In this third and final post, we’ll discuss how shielding materials affect electromagnetic radiation and, by implication, the effectiveness of your power inductor Shielding Every core material has inherent advantages and disadvantages that are particularly suited to a specific application. In these circumstances where a  [...]

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    Overview of WE-PDF Flatwire Inductors for Low Wire Losses

    [...]  sizes: 10mm x 10mm x 4mm and 10mm x 10mm x 6mm. The WE-PDF consists of a ferrite material that has significantly lower core losses than iron powder inductors and is mainly used in high-current inductor designs. The WE-PDF series is optimized for power supplies running high switching frequencies. In particular, by using a flatwire construction, the frequency dependent resistance of the wire is significantly lower than using a roundwire. Due to the focus on high performance partial components for [...]

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    TI-PMLK Buck Würth Elektronik Edition

    A new hands-on learning kit is available to investigate the impact of magnetics on the performance of a switching power supply and help to speed up your design. The TI-PMLK Buck Würth Elektronik Edition kit is composed of a power board allowing experimental testing of power inductors, using two step-down switching regulators, one based on hysteretic and the other using peak current mode control operation. There are two independent sections on the Buck board featuring six types of inductors that  [...]

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    The Behavior of Electro-Magnetic Radiation of Power Inductors in Power Management

    ANP047 This Application Note focuses on the Electro-Magnetic (EM) radiation behavior of power inductor(s) in DC-DC converters, which is dependent on several parameters such as ripple current, switching frequency, rise & fall time of a switching device, the core material and its permeability and suggests several design tips to mitigate these EMI effects. Summary DC-DC converters are widely used in power management applications and the inductor is one of the key components (Figure 1). The usual focus  [...]

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    Blog: Electronics in Action

    [...]  (EFTB) [Part 2 of 3] In the second post in this blog series, we explain the measurement methodology and challenges faced during our experiment in filter attenuation using electrical fast transient burst (EFTB). Read more ... Mar 7, 2019 (Wireless Power) Get Your Copy of the Brand-New Trilogy of Wireless Power We noticed a need for a better understanding of wireless power, so we decided to step in and offer a solution: the brand-new Trilogy of Wireless Power , available in March 2019 from Wurth Electronics! [...]

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    Coupled Inductors Series Overview

    [...]  current and up to 14 A in saturation current. Applications for the WE-TDC are: SEPIC, CUK, and ZETA converters Non-isolated flyback converters Buck/boost converters Switching regulators with a second, unregulated output voltage SMD Toroidal Double Power Choke: WE-DCT The WE-DCT series from Wurth Electronics Midcom is for larger-current SEPIC applications and is often used as a 1:1 transformer. The very low RDC and core losses go back to the specially trimmed WE-PERM core material, which has proven [...]

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    Shielded vs. Unshielded Inductors for SMPS

    Welcome back to our blog series on filter design for switched-mode power supply (SMPS)! In the final installment of our four-part series (read the first three posts here ), Lorandt Fölkel M.Eng will explain the difference between shielded and unshielded inductors and provide resources for learning more about SMPS. The Difference Between Shielded and Unshielded Inductors So, what is the big difference between shielded and unshielded inductors ? First of all, unshielded inductors have a bobbin core.  [...]

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    Blog: Electronics in Action

    [...]  of using Würth Elektronik ferrites. Read more ... Nov 18, 2014 (Press-Fit Technology) Press Fit Technology What is press-fit technology? Learn how the elements work and what projects are best suited for press-fit. Read more ... Nov 3, 2014 (Power Magnetics) Smart Metering Essentials Modern meters are complex computers, requiring a set of functions often unique to each application. Magnetics are needed for metering essentials - power, signal and communication, and EMC components. Read more ... Oct [...]

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    Solutions for DC/DC Applications

    [...]  can’t find the DC/DC part from Wurth Electronics Midcom that you’re looking for, we have custom solutions possible ! Types of DC/DC Components There are several different types of DC/DC components to consider when making your design: WR-DC DC Power Connector (69410xxx) WE-VS/WE-VD Varistor (825xxxxxx) WCAP-CSGP Capacitor (8850121xxxxx) WE-PD Filter (744770xx) OR WE-SLx Filter (744226) Switching Regulator * WE-HCI High Current Storage Inductor (74430xxx) WE-PMI Storage Over 1MHz Inductor (744797xxx) [...]

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    Switch Mode Power Supply Topologies Compared

    The ubiquitous linear power supply of old has been on a steady decline for years, ever since the advent of Switch Mode Power Supplies (SMPS). The clear advantage to SMPS over linear supplies has been size and efficiency, and as the world-wide energy crises looms on the international, commercial and political scene, we have seen the trend to SMPS only accelerate. As a new technology, the high component count of SMPS made the technology more expensive than linear. But with the birth of the electronic  [...]

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    Designing Low-cost, Multiple Output DC/DC Converters

    Using 1:1 Coupled Inductors with Buck Regulators ANP017 Power supply circuitry is always limited by cost, PCB area, height and by the desire to reduce complexity. The majority of systems today are mixed-signal, and in all but the simplest cases, the various analog and digital circuits need several different supply voltages to operate. One way to add additional outputs to a power supply without adding additional control ICs is to replace the standard inductor of a buck regulator with a multi-winding  [...]

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    Coupled flatwire inductor for high-performance switching regulators

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2014 Coupled flatwire inductor for high-performance switching regulators High-performance switching regulators require powerful inductors with stable inductance and soft saturation to cope with high currents. Würth Elektronik eiSos has developed the WE-CFWI range of coupled flatwire inductors. The windings can be connected in series and in parallel. This means the compact, double choke can be used in SEPIC, CUK or Buck/Boost converters.  [...]

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    Coupled flatwire inductor for high-performance switching regulators

    High-performance switching regulators require powerful inductors with stable inductance and soft saturation to cope with high currents. Würth Elektronik eiSos has developed the WE-CFWI range of coupled flatwire inductors. The windings can be connected in series and in parallel. This means the compact, double choke can be used in SEPIC, CUK or Buck/Boost converters. The special core material enables high saturation currents of up to 62A, which is four times higher than previously comparable double  [...]

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    Download Center

    Name Category Area Size Preview Download ANP019: The Sham of the High Rated Current Application Note Passive Components 484KB [icon] ANP020: Cracks on Molded Power Inductors Application Note Passive Components 833KB [icon] ANP021: Offline Switchers with 400 VDC Rated Power Inductors Application Note Passive Components 626KB [icon] ANP022: Selection and Characteristics of WE-FSFS Application Note Passive Components 591KB [icon] ANP024: The USB Interface from EMC Point of View Application Note Passive  [...]

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    Learning Magnetics Just Became Fun with Our New TI-PMLK Buck Kit!

    Thought learning magnetics was boring? Think again! Würth Elektronik has partnered with Texas Instruments to offer a new hands-on learning kit. The TI-PMLK Buck Würth Elektronik Edition kit can help you investigate the impact of magnetics on the performance of a switching power supply and help speed up your design. (And it's fun!) How the Kit Makes Learning Magnetics More Fun (Or At Least More Interesting) Inductors and transformers are key components of any DC-DC converter, which are widely used  [...]

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    High Current Flat Wire Power Inductor with Higher Saturation Current

    High Current Flat Wire Power Inductor with Higher Saturation Current | Würth Elektronik: Würth Elektronik Group > News > Archive 2017 High Current Flat Wire Power Inductor with Higher Saturation Current Würth Elektronik eiSos Expands its WE-HCF Product Family Würth Elektronik eiSos presents WE-HCF in a 2815 package, a flat wire power inductor with very high current loading capacity and efficiency. The latest member of the WE-HCF series is loadable up to 36 A and attains saturation currents up  [...]

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    Blog: Electronics in Action (Power Magnetics)

    Electronics are more than components and volts. The support, design, and technology behind the electronics make all the difference. Our blog, Electronics in Action , is here to help you learn more about electronic design and meet the people behind the products at Wurth Electronics Midcom. Subscribe to the blog to receive each post by email, or click below to learn more about your favorite category: EMC Components Power Magnetics Press-Fit Technology Wireless Power Other Product News Meet Us Monday  [...]

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    Lowering Copper Losses with High-Current Inductors Using Flatwire Technology

    [...]  back to the equation of calculating the resistance of a wire: the smaller the conductive surface, the higher the resistance. Since this resistance will only appear when driving an AC current through wire (like the ripple current in a switch mode power supply), this resistance is called AC resistance. The proximity effect increases the AC resistance as well. A current driven wire creates a magnetic field around the wire, which also creates eddy currents. By using two wires in parallel, the magnetic [...]

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    High Current Flat Wire Power Inductor with Higher Saturation Current

    High Current Flat Wire Power Inductor with Higher Saturation Current Würth Elektronik eiSos Expands its WE-HCF Product Family Würth Elektronik eiSos presents WE-HCF in a 2815 package, a flat wire power inductor with very high current loading capacity and efficiency. The latest member of the WE-HCF series is loadable up to 36 A and attains saturation currents up to 125 A. With its large wire cross-section, the inductor offers a 13 percent lower resistance than comparable products on the market and  [...]

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    Hidden Gems at APEC 2016

    Joining us at APEC 2016 ? Lots of suppliers want to share with you what you can find from them on the exhibit floor. But APEC is more than just an exhibition for us. It’s an educational conference. Here’s what you’ll learn from Wurth Electronics Midcom at APEC -- off the exhibition floor. Saturday, March 19 Ranjith Bramanpalli, Application Engineer at Würth Elektronik, is ready to help solve the black magic that is Power Magnetics at High Frequency. He’ll be presenting this at the PSMA workshop  [...]

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    Cracks on Molded Power Inductors

    [...]  to develop to minimize these. Also Würth Elektronik eiSos’s quality control is constantly setting up standards during manufacturing process to ensure better reliability and performance. Download the full article as a pdf ANP020: Cracks on Molded Power Inductors (PDF, 833KB)

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    Question and Answer Session About PFCs

    Now that we’ve learned about the important factors for Power Factor Correction Chokes, to conclude our PFC blog series, here are some general questions and answers. Question: Active choke size increases with current. Is there any way to mitigate using a huge inductor with high power supply? Answer: Any time you have a high power supply, depending on what kind of wattage you are dealing with, the higher the output power that you will generate and need. If you are running something in the 750-watt  [...]

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    Blog: Electronics in Action

    [...]  30, 2015 (Meet Us Monday) Meet Us Monday: Missy Hansen, Marketing Communications Coordinator, Watertown, SD USA Office Meet Missy Hansen, Marketing and Communications Coordinator in the Watertown, SD office in the USA. Read more ... Nov 19, 2015 (Power Magnetics) Product Options for WE-PDF and WE-HCI from Wurth Electronics Midcom Each WE-PDF series package size carries a broad range of inductance values to provide the optimum solution for your application. Read more ... Nov 16, 2015 (Meet Us Monday) [...]

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    Archive 2014

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2014 News Archive -- All -- Electronic & Electromechanical Components Electronic & Electromechanical Components - Custom Magnetics Intelligent Power and Control Systems Printed Circuit Boards Würth Elektronik Group 27.12.2014 Printed Circuit Boards Fire at Würth Elektronik’s PCB plant in Niedernhall, Germany Fire destroyed parts of the PCB plant of Würth Elektronik in Niedernhall Germany. Nobody was injured, no effects on the environment.  [...]

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    Blog: Electronics in Action (EMC Components)

    Electronics are more than components and volts. The support, design, and technology behind the electronics make all the difference. Our blog, Electronics in Action , is here to help you learn more about electronic design and meet the people behind the products at Wurth Electronics Midcom. Subscribe to the blog to receive each post by email, or click below to learn more about your favorite category: EMC Components Power Magnetics Press-Fit Technology Wireless Power Other Product News Meet Us Monday  [...]

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    Determination of the Ideal Power Inductor for Energy-efficient Applications

    ANP031 Energy-efficient devices are important components for saving resources and protecting the environment. The more efficient the electronics, the longer the battery service life for mobile devices - and in large-scale industrial and server installations with thousands of loads, the energy requirement is markedly reduced. The basis for energy-efficient devices is essentially influenced by the power supply unit. While the linear regulators still most widely used in the past were voltage regulators,  [...]

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    Toolbox

    With the help of the following tools & tutorials we facilitate the component search and selection for you: Design Software Search Tools Infographics Libraries & Tutorials Design Software Discover Würth Elektronik's online platform for simple component selection and performance simulation. Try REDEXPERT and calculate your losses in real-time Analog IC Selector : The manufacturer independent parametric IC search with focus on SMPS Monolithic Power System DC/DC-Designer Texas Instruments WEBENCH®  [...]

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    Safe, Reliable Designs for Non-Isolated Offline Switchers with 400VDC Rated Power Inductors

    [...]  are often more efficient, use less PCB area and cost less to implement than flyback regulators. Flyback regulators are without a doubt the least expensive option for isolated circuits, and can of course be non-isolated as well. However, even at power levels of 5W and below the flyback still requires a coupled inductor (often called “flyback transformer”) with varying turns ratios depending upon input voltage, output voltage, the range of output current and the switching frequency. Würth Elektronik [...]

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    Blog: Electronics in Action (Other Product News)

    Electronics are more than components and volts. The support, design, and technology behind the electronics make all the difference. Our blog, Electronics in Action , is here to help you learn more about electronic design and meet the people behind the products at Wurth Electronics Midcom. Subscribe to the blog to receive each post by email, or click below to learn more about your favorite category: EMC Components Power Magnetics Press-Fit Technology Wireless Power Other Product News Meet Us Monday  [...]

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    Requirements in EMC for Switched Mode Power Supply (SMPS)

    Do you need to make improvements to your filter design for switched mode power supply (SMPS)? In this new four-part blog series, Lorandt Fölkel M.Eng, our acclaimed Field Application Engineer and Business Development Manager, will walk you through everything you need to know about filter design for SMPS. When you are building a DC/DC power supply, there are some requirements in electromagnetic compatibility (EMC) that you need to comply with. This post will explore those EMC requirements as they  [...]

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    The Entire World of Passive Components

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2017 The Entire World of Passive Components Würth Elektronik eiSos presents 2017 Product Catalog Würth Elektronik eiSos, a leading European manufacturer of electronic and electromechanical components, has published its “Passive Components 2017” product catalog. Numerous products are presented on 776 pages in the categories EMC Components, Power Magnetics, Signal & Communications, and AEC-Q qualified products. The “Passive Components  [...]

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    World's most precise AC loss calculation in Discontinuous Conduction Mode

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2016 World's most precise AC loss calculation in Discontinuous Conduction Mode Würth Elektronik eiSos upgrades the RED EXPERT online design tool With RED EXPERT from Würth Elektronik eiSos developers can simulate the power inductors from Würth Elektronik. The losses determined with RED EXPERT are based on current and voltage waveforms typical in applications. Besides the core and winding losses, they also include the losses arising  [...]

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    Solutions for AC/DC Applications

    [...]  Fuse Holder (696xxxxxx) WE-VS/VD Varistor (825xxxxxx) WE-TFC Common Mode Choke (7446xxx) OR WE-LF Common Mode Choke Rectifier* WCAP-CSGP Smoothing Capacitor (88501xxx) MOSFET* WE-UNIT Transformer (75003xxx) Rectifier* Voltage Regulator* WE-TPC Power Inductor (744028006) OR WE-PD Filter (744778003) * Reference design available AC/DC Board Level Signal Chain To get an idea for the board level signal chain of an AC/DC application, here is what a typical signal chain for that application might look [...]

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    Product Options for WE-PDF & WE-HCI

    The WE-PDF series is available in two package sizes: 10mm x 10mm x 4.5 mm 10mm x 10mm x 6.4mm Each package size carries a broad range of inductance values to provide the optimum solution for your application. Overview of WE-HCI Series The Wurth Electronics Midcom WE-HCI series is also equipped with flatwire and delivers the performance users need in their power supply. The available core materials are Superflux and WE-PERM, which characteristically have low core losses and high saturation currents.  [...]

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    The Entire World of Passive Components

    Würth Elektronik eiSos presents 2017 Product Catalog Würth Elektronik eiSos, a leading European manufacturer of electronic and electromechanical components, has published its “Passive Components 2017” product catalog. Numerous products are presented on 776 pages in the categories EMC Components, Power Magnetics, Signal & Communications, and AEC-Q qualified products. The “Passive Components 2017” catalog can now be requested online at www.we-online.com/newcatalog . The same applies for the  [...]

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    Archive 2012

    [...]  enable fastest designs of batteryless products with the »Energy Harvesting Solution To Go«-Kit read more 12.09.2012 Electronic & Electromechanical Components Library Update in LTspice IV Wurth Elektronik extended the component library for inductors with the last update of LTspice IV. More than 1500 inductors of Wurth Elektronik are now available in the LTspice IV simulation. read more 14.08.2012 Electronic & Electromechanical Components Würth Elektronik releases Wireless Power Chokes Würth Elektronik [...]

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    Application Notes & Technical Reports

    DC/DC Converter ANP006: Influence of control loop by an Outputfilter ANP008: Negative input resistance of switching regulators ANP009: Loss-Free Filtered ANP010: Measurement of the interference voltage on DC/DC switching regulators ANP013: Quiet switching controller for audio amplifiers ANP017: Designing Low-cost, Multiple Output DC/DC Converters ANP044: Impact of the layout, components and filters on the EMC of modern DC/DC switching controllers ANP049: EMC & Efficiency Optimization of High Power  [...]

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    World's most precise AC loss calculation in Discontinuous Conduction Mode

    Würth Elektronik eiSos upgrades the RED EXPERT online design tool With RED EXPERT from Würth Elektronik eiSos developers can simulate the power inductors from Würth Elektronik. The losses determined with RED EXPERT are based on current and voltage waveforms typical in applications. Besides the core and winding losses, they also include the losses arising from the specific geometries of the inductance, such as the air gap. With this upgrade the losses for buck and boost converters in discontinuous  [...]

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    Set of custom magnetics developed for quasi-resonant primary side current-mode controllers for LED lighting introduced by Wurth Electronics Midcom

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2013 Set of custom magnetics developed for quasi-resonant primary side current-mode controllers for LED lighting introduced by Wurth Electronics Midcom These magnetics are targeted for use in Integral LED Driver applications such as LED Bulbs Light engines as well as low power, LED Drivers and Electronic Control Gear for LEDs. The magnetics developed include custom-wound transformers for isolated applications and a custom-wound inductor  [...]

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    Würth Elektronik eiSos presents: The industry’s leading portfolio of Electronic and Electromechanical Components

    [...]  of Capacitors " offers an introduction to the field of capacitors. It is filled with practical applications and minimizes complex theory. Available in English and German, it is written by engineers, for engineers. World’s smallest metal alloy power inductor footprint The base of the powder iron SMD inductor, WE-MAPI, is an industry leading 1.6 x 1.6 mm with a height of 1 mm. The magnetically shielded inductor offers high conductivity and with rated currents up to 1.9A. High saturation currents [...]

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    Innovations

    [...]  geotagging, timestamps). In order to offer you the best solutions in the future, we need your input. We look forward to your participation in our 5-minute survey . Thank you. No, I don`t want to participate. Get to Wireless Connectivity Common Mode Power Line Chokes The WE-CMBNC is a VDE certified series of common mode chokes with a highly permeable nanocrystalline core material. Find out more MagI³C Power Modules MagI³C Power Modules are easy to use DC/DC converters with integrated regulator [...]

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    Würth Elektronik eiSos presents: The industry’s leading portfolio of Electronic and Electromechanical Components

    [...]  of Capacitors " offers an introduction to the field of capacitors. It is filled with practical applications and minimizes complex theory. Available in English and German, it is written by engineers, for engineers. World’s smallest metal alloy power inductor footprint The base of the powder iron SMD inductor, WE-MAPI, is an industry leading 1.6 x 1.6 mm with a height of 1 mm. The magnetically shielded inductor offers high conductivity and with rated currents up to 1.9A. High saturation currents [...]

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    REDEXPERT

    Würth Elektronik's online platform for simple component selection and performance simulation. Try REDEXPERT and calculate your losses in real-time. To REDEXPERT Introduction & Tutorials Introduction of REDEXPERT Getting started with REDEXPERT How to use the charts in REDEXPERT Attenuate noise and design proper peak current proof filters with REDEXPERT REDEXPERT DC/DC converters – world’s most accurate AC loss model REDEXPERT: Wireless Power Transfer (WPT) Mix and Match Wireless Power Coils The  [...]

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    Question and Answer Session for RF Inductors

    [...]  number that we can achieve for a production working part. But, we're looking to hit 60, at least as a nice goal, and then, if possible, 70 as well. Can you give me a quick sample in which range of the Q-factor is RF inductors in comparison to power inductors, just for comparison? In the case of RF inductors, we are looking primarily for Q-factors of 35 to 50, whereas in the case of power inductors 25 to 40, is a more typical range, 40 being extremely good already. More and more practical application [...]

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    WE-HCF SMD High Current Inductor

    Looking to source a single coil power inductor? Our WE-HCF SMD series might be just what you need! The WE-HCF SMD series comes in multiple sizes and uses a MnZn high permeability core. This MnZn high permeability core is suitable for high switching and high current buck and boost non-isolated regulators. In addition to the narrow bandwidth, it’s ideal for filtering applications between 10MHz and 50MHz. Find out more about the WE-HCF SMD high current inductor, round wire SMD high current inductor,  [...]

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    Download Center

    Name Category Size Preview Download ANP014: Wireless Energy Transmission - Coils as Key Components Application Note 277KB [icon] ANP015: Main filter – The last barrier in the switch mode power supply Application Note 1,202KB [icon] ANP016: Going Wireless with Magnetic Shielding Application Note 528KB [icon] ANP017: Designing Low-cost, Multiple Output DC/DC Converters Application Note 1,101KB [icon] ANP019: The Sham of the High Rated Current Application Note 484KB [icon] ANP020: Cracks on Molded  [...]

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    What Is Fly-Buck™ Technology and Why Use It?

    Fly-Buck™ technology is an emerging field. To learn the ins and outs of this isolated buck topology, we interviewed Anoop Chadaga. Here is what Mr. Chadaga had to share. What Is Fly-Buck™ Technology? Fly-Buck™ technology has been around for a while, but hasn’t gained a lot of attention in the past. In simple words, it is an isolated buck topology. People have been using the buck topology for designing power supplies quite a bit in the semiconductor industry, but it is a non-isolated topology.  [...]

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    The History of Würth Elektronik: Highlights from 2000 to 2010

    [...]  product line: transformers . With these new additions, we gained 61 employees, 3,000 customers, and 4,000 products. 2005: Started New Business Unit (eiCan) 2005 was a big year for Würth Elektronik. First, we acquired iBE, a specialist in rod core inductors for automotive applications in Thyrnau, Germany. Second, we started eiCan, a business unit for electromechanical components . And third, we expanded to Sweden, the Czech Republic, and Switzerland. Thanks to these developments, our team was now [...]

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    Altium and Würth Elektronik collaborate on new component libraries

    [...]  designers will have access to eight new libraries comprising over 1,500 passive components provided by one of the leaders of EMC solutions for the electronics industry. Würth Elektronik is Europe's largest manufacturer of EMC components, inductors, transformers, RF components and circuit protection devices. In a close collaboration between its passive components unit and Altium, they developed and prepared a full set of libraries for Würth Elektronik’s passive components that is ready to use [...]

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    New & Innovative Passive Components

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2018 New & Innovative Passive Components Würth Elektronik eiSos presents its 2018 Product Catalog Over 1000 pages long, the new “Passive Components 2018” catalog is now available from Würth Elektronik eiSos. The manufacturer of electronic and electromechanical components presents its broad and significantly extended range in the categories of EMC Components, Power Magnetics and Signal & Communications – some of which are AEC-Q200  [...]

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    New version of the Würth Elektronik Component Selector software released

    [...]  addition to PCB ferrites . These modules allow users to analyse and compare technical values and impedance curves for all products. Within the component characteristic curve, filters help users find the right components quickly and easily. In the power inductors module, the right inductor for non-insulated DC/DC converters can easily be determined. The Component Selector also calculates wire and core losses and, based on these losses, calculates the temperature increase of the component. In the [...]

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    New product catalogue for passive components

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2014 New product catalogue for passive components Würth Elektronik eiSos has now published the new 2014/2015 catalogue for passive components, presenting numerous new products and extensions: Power inductors The highlight is the world's smallest power inductor made of a magnetic iron alloy. The footprint of the WE-MAPI is 1.6 x 1.6 mm with a package height of just one millimeter. With rated currents of up to 1.9 A, the magnetically shielded  [...]

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    A big role for small parts

    [...]  range from 10 to 300 Ohm and the operating temperature range from -55°C to +125°C make this ferrite the perfect candidate for demanding industrial applications. Another star at the show: the WE-MAPI SMD the world’s smallest metal alloy power inductor. Besides this product, a range of other inductors will be presented that are particularly suited for electronic devices with an extremely small profile, for example the WE-PMMI power multilayer metal-alloy inductor and the WE-PMCI power molded chip [...]

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    Archive 2012

    | Würth Elektronik: Würth Elektronik Group > News > Archive 2012 News Archive -- All -- Electronic & Electromechanical Components Electronic & Electromechanical Components - Custom Magnetics Intelligent Power and Control Systems Printed Circuit Boards Würth Elektronik Group 23.10.2012 Printed Circuit Boards Convenient, fast and always available. WEdirekt – the online shop for printed circuit boards and stencils The PCB manufacturer Würth Elektronik complements its portfolio of services with  [...]

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    WE-KI HC and WE-CAIR Inductive Component Series in Simulation

    [...]  Moreover, five WE-CAIR air coil series are modeled: 1322, 1340, 3136, 3168 and 4248, which together cover inductance values from 1.65 nH to 120 nH. All models are validated up to 30 GHz. The models were developed to provider RF developers with a powerful analysis function and very accurate simulations in the first run. The inductor models are created for seamless integration in common design tools like Keysight ADS and Genesys, NI AWR Design Environment, ANSYS HFSS and Sonnet Suites. Würth Elektronik [...]

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    Altium and Würth Elektronik collaborate on new component libraries

    [...]  area and selecting the Altium Hobart Vault. The library suite provides a choice of eight families of various passive components for different areas of applications comprising: EMC ferrites Filter inductors Common mode line filters Common mode power line chokes SMD power chokes THT power chokes Double chokes SMD high current chokes The first two libraries to be released into the Hobart Vault are the EMC Ferrite and Filter Inductor families with additional families to follow on a weekly basis. The [...]

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    New & Innovative Passive Components

    Würth Elektronik eiSos presents its 2018 Product Catalog Over 1000 pages long, the new “Passive Components 2018” catalog is now available from Würth Elektronik eiSos. The manufacturer of electronic and electromechanical components presents its broad and significantly extended range in the categories of EMC Components, Power Magnetics and Signal & Communications – some of which are AEC-Q200 qualified. All the products listed in the catalog are available from stock, also as free samples. The  [...]